40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* mpz_urandomb (rop, state, n) -- Generate a uniform pseudorandom
|
|
integer in the range 0 to 2^N - 1, inclusive, using STATE as the
|
|
random state previously initialized by a call to gmp_randinit().
|
|
|
|
Copyright 1999, 2000, 2002 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU MP Library.
|
|
|
|
The GNU MP Library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The GNU MP Library is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#include "gmp.h"
|
|
#include "gmp-impl.h"
|
|
|
|
void
|
|
mpz_urandomb (mpz_ptr rop, gmp_randstate_t rstate, unsigned long int nbits)
|
|
{
|
|
mp_ptr rp;
|
|
mp_size_t size;
|
|
|
|
size = BITS_TO_LIMBS (nbits);
|
|
rp = MPZ_REALLOC (rop, size);
|
|
|
|
_gmp_rand (rp, rstate, nbits);
|
|
MPN_NORMALIZE (rp, size);
|
|
SIZ (rop) = size;
|
|
}
|